文档介绍：prehension(SkimmingandScanning)(15minutes) Directions:Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1. Forquestions1-7,mark Y(forYES)ifthestatementagreeswiththeinformationgiveninthepassage; N(forNO)ifthestatementcontradictstheinformationgiveninthepassage; NG(forNOTGIVEN)iftheinformationisnotgiveninthepassage. Forquestions8-pletethesentenceswiththeinformationgiveninthepassage. GulfWrackedByKatrina'sLatestLegacy-Disease,Poisons,Mold ,medicalexpertsarenowstrugglingwiththelatestcrisisintheregion;contamination(污染). munitiestaintedwithoil,sewage,andpossiblypoisonsleachedfromfederaltoxicwastesites,(EPA)says. binedwiththelackofregularmedicalservicesintheregion,hasraisedseriousquestionsaboutthesafetyofNewOrleansandothercoastaltownsaspeoplelongingforhomebegintogoback. "Idon'tthinkNewOrleansissafeforpeopletoreturnto,fromapublichealthandenvironmentalhealthstandpoint,"saidMiriamAschkenasy,anenvironmentalhealthexpertworkingwithOxfamAmericaintheregion. Muchofthecontaminationrestsinthebrown,filmysediment(沉淀物)leftbehindbyKatrina'spollutedfloodwaters. ,oilandgaschemicals,andlead,aswellasvaryingquantitiesofarsenic. Thehealthrisksposedbythesedimentareimmediate,expertssay,becausethesludge(淤泥),itcoverseverysurfacethatwasflooded,fromcarsandnow-deadlawnstotheentirecontentsoffloodedhomes,stores,hospitals,andschools. "eback,theyareexposedtothesediment,"saidWilmaSubra,achemistfromNewIberia,Louisiana,whoisanalyzingthesediment."It'sintheiryardsandhouses." OldPollutionResurfacing PlaqueminesParish,aruralcountyonthepeninsulasouthofNewOrleans,isnowcoveredwithevenmoretoxicsedimentthanitwastwoweeksago,thankstoHurricaneRita. "Sixinchesuptoonefoot(15to30centimeters)ofsludge,"Subrareported. MuchofthesludgeinPlaqueminesistheproductofnearbybayousandbaybo